28) Did you know that as far back as 1916, Americans were being warned in movies about the overthrow of their Republic?

29) Have you ever thought about how much toxic exhaust is spewed into our atmosphere by the space program?

30) Here is a 40-page long list of strange and interesting facts:

(Click the image above to download the document.)

31) Why is San Francisco's Lombard Street called "the crookedest street in the world?"